SECTION 7 CESSNA
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AIRPLANE AND SYSTEMS DESCRIPTION MODEL 2088 (675 SHP)
LIGHTING SYSTEM
(Continued)
NO
SMOKlNGlSEAT BELT SIGN (Passenger Version Only)
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A lighted warning sign may be installed in the airplane to facilitate
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warning passengers of impending flight operations necessitating the
fastening of seat belts
andlor the extinguishing of all smoking materials.
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This installation consists of a small liqhted panel mounted in the cabin
headliner immed ately aft of
the overhead console and two toggle-type
switcnes. labeled SEAT BELT and NO SMOKE, on tne lighring control
panel.
when these switches are placed in the ON position, the-warning
signs illuminate, displaying the international graphic symbolism for
"fasten seat belts" and "no smoking" to the rear cabin passengers. The
circuit for the warning sign lights is protected by a
"pull-or type circuit
breaker, labeled SEAT BELT SIGN, on the
leff sidewall switch and
circuit breaker panel.
CABIN HEATING, VENTILATING AND DEFROSTING
SYSTEM
The temperature and volume of airflow to the cabin is regulated by the
cabin heating, ventilating and defrosting system (see Figure 7-15). In
the heating system, hot compressor outlet air is routed from the engine
through a flow control valve, then through a
mixerlmuffler where it is
mixed with cabin return air or warm air from the compressor bleed
valve (depending on the setting of the mixing air valve) to obtain the
correct air temperature before the air is routed to the cabin air
distribution system. Controls are provided to direct the heated air to the
forward
andlor aft portions of the cabin for heating and to the
windshield for defrosting. Ventilating air is obtained from an inlet on
each side at the forward fuselage and through two ram air inlets, one
on each
wing at the upper end of the wing struts. The wing inlet
ventilating
airis routed through tne wng Into a plenum chamber locared
In the center of the cab n top. The plenum dstributes the venrilaring a.r
to individual overhead
outl'ets near each seat position. Two electric
blowers are available for the overhead ventilating system. Details of
this installation are presented in Section
9,
Supplements.
(Continued Next Page)
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